CP.BRAiN (hidden data)
From Game Developer Research Institute
B-Daman Baku Gaiden: Victory e no Michi (GBC)
The following string appears in the ROM:
cpbrai!
Chouaniki: Otoko no Tamafuda (WS)
The following string appears in the ROM:
CP.BRAIN
Ou Dorobou Jing: Angel Version, Ou Dorobou Jing: Devil Version (GBC)
The following string appears in the ROM:
CP-BRAIN